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Photo- and thermo-stable luminescent beads composed of Eu(III) complexes and PMMA for enhancement of silicon solar cell efficiency

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/56794

Title: Photo- and thermo-stable luminescent beads composed of Eu(III) complexes and PMMA for enhancement of silicon solar cell efficiency
Authors: Kataoka, Hisataka Browse this author
Kitano, Tetsuo Browse this author
Takizawa, Toshiki Browse this author
Hirai, Yuichi Browse this author
Nakanishi, Takayuki Browse this author
Hasegawa, Yasuchika Browse this author →KAKEN DB
Keywords: Lanthanide
Europium
Complex
Solar cell
Issue Date: 15-Jul-2014
Publisher: Elsevier
Journal Title: Journal of Alloys and Compounds
Volume: 601
Start Page: 293
End Page: 297
Publisher DOI: 10.1016/j.jallcom.2014.01.165
Abstract: Photo-and thermo-stable luminescent beads composed of Eu(hfa)(3)(TPPO)(2) (hfa: hexafluoroacetylacetonate, TPPO: triphenylphosphine oxide) and PMMA (polymethylmethacryrate), Eu(hfa)(3)(TPPO)(2)-beads, have been reported for improvement of energy conversion efficiency on silicon solar cell. The photophysical properties of Eu(hfa)(3)(TPPO)(2) and compared Eu(tta)(3)(TPPO)(2) (tta: trifluoromethyl- thienylacetylacetonate) are characterized by the emission quantum yield, the emission lifetime, the radiative and the non-radiative rate constants. Photo-and thermo-stability of the beads with Eu(III) complexes in EVA (Ethylene Vinyl Acetate) are estimated under UV irradiation (Xenon lamp: 60 W/m(2)) and highly temperature (120 degrees C). The stability of the Eu(hfa)(3)(TPPO)(2)-beads for industrial application was calculated to be ten years under air condition. Energy conversion efficiency of silicon solar cells attached EVA films with Eu(hfa)(3)(TPPO)(2)-beads increased approximately 2%(10% -> 10.2%) compared with EVA films contained with UV absorber. Photo-and thermo-stable Eu(hfa)(3)(TPPO)(2)-beads for silicon solar cells are demonstrated for the first time.
Type: article (author version)
URI: http://hdl.handle.net/2115/56794
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 長谷川 靖哉

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